Harsh Kotta

Cross-Teager Energy Cepstral Coefficients for Replay Spoof Detection on Voice Assistants

Voice assistants (VAs) are highly vulnerable to replay attacks, where the impostor plays pre-recorded voice samples to gain an unauthorized access to personalised devices. To that effect, we present an optimal microphone-channel selection scheme using Cross-Teager Energy Operator (CTEO) for spoofed…